1  import java.util.Scanner;
  2  
  3  public class LotteryUsingStrings {
  4    public static void main(String[] args) {
  5      // Generate a lottery as a two-digit string
  6      String lottery = "" + (int)(Math.random() * 10)
  7        + (int)(Math.random() * 10);
  8  
  9      // Prompt the user to enter a guess
 10      Scanner input = new Scanner(System.in);
 11      System.out.print("Enter your lottery pick (two digits): ");
 12      String guess = input.nextLine();
 13  
 14      // Get digits from lottery
 15      char lotteryDigit1 = lottery.charAt(0); 
 16      char lotteryDigit2 = lottery.charAt(1); 
 17  
 18      // Get digits from guess
 19      char guessDigit1 = guess.charAt(0);
 20      char guessDigit2 = guess.charAt(1);
 21  
 22      System.out.println("The lottery number is " + lottery);
 23  
 24      // Check the guess
 25      if (guess.equals(lottery))
 26        System.out.println("Exact match: you win $10,000");
 27      else if (guessDigit2 == lotteryDigit1
 28            && guessDigit1 == lotteryDigit2)
 29        System.out.println("Match all digits: you win $3,000");
 30      else if (guessDigit1 == lotteryDigit1 
 31            || guessDigit1 == lotteryDigit2 
 32            || guessDigit2 == lotteryDigit1 
 33            || guessDigit2 == lotteryDigit2)
 34        System.out.println("Match one digit: you win $1,000");
 35      else
 36        System.out.println("Sorry, no match"); 
 37    }
 38  }
            

Output